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| author | Richard Braun <rbraun@sceen.net> | 2013-05-03 19:56:50 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-09-16 01:22:20 +0200 |
| commit | 0e847864cef404f555387d7fcc97f7dbe769e1e9 (patch) | |
| tree | dbafbabcd1491b4840914d60358cf153beed9af8 /tmpfs | |
| parent | b2e27fcee4cec98ffc39273ecfaa73aace9da2c3 (diff) | |
Handle notification on page eviction
If requested by the user, make libpager call pager_notify_evict when a page
is flushed out by the kernel. Based on work by Ognyan Kulev.
* console/pager.c (pager_notify_evict): New function.
(user_pager_create): Update call to pager_create.
* ext2fs/pager.c: (pager_notify_evict): New function.
(create_disk_pager): Update call to diskfs_start_disk_pager.
(diskfs_get_filemap): Update call to pager_create.
* fatfs/pager.c: (pager_notify_evict): New function.
(create_fat_pager): Update call to diskfs_start_disk_pager.
(diskfs_get_filemap): Update call to pager_create.
* isofs/pager.c: (pager_notify_evict): New function.
(create_disk_pager): Update call to diskfs_start_disk_pager.
(diskfs_get_filemap): Update call to pager_create.
* libdiskfs/disk-pager.c (diskfs_start_disk_pager): Update definition and call
to pager_create.
* libdiskfs/diskfs-pager.h (diskfs_start_disk_pager): Update declaration.
* libpager/data-request.c (_pager_seqnos_memory_object_data_request): Take
pager's `notify_on_evict' member into account when calling
memory_object_data_supply.
* libpager/data-return.c (_pager_do_write_request): Handle user notification
on page flush.
* libpager/pager-create.c (pager_create): Update definition and set pager's
`notify_on_evict' member.
* libpager/pager.h (pager_create): Update declaration.
(pager_notify_evict): New declaration.
* libpager/priv.h (struct pager): New `notify_on_evict' member.
* storeio/pager.c: (pager_notify_evict): New function.
(dev_get_memory_object): Update call to pager_create.
* tmpfs/pager-stubs.c (pager_notify_evict): New function.
* ufs/pager.c (pager_notify_evict): New function.
(create_disk_pager): Update call to diskfs_start_disk_pager.
(diskfs_get_filemap): Update call to pager_create.
Diffstat (limited to 'tmpfs')
| -rw-r--r-- | tmpfs/pager-stubs.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tmpfs/pager-stubs.c b/tmpfs/pager-stubs.c index 25d70fe2..3cb264bb 100644 --- a/tmpfs/pager-stubs.c +++ b/tmpfs/pager-stubs.c @@ -57,6 +57,14 @@ pager_unlock_page (struct user_pager_info *pager, return EIEIO; } +void +pager_notify_evict (struct user_pager_info *pager, + vm_offset_t page) +{ + abort(); +} + + /* The user must define this function. It should report back (in *OFFSET and *SIZE the minimum valid address the pager will accept and the size of the object. */ |